A wood-burning stove heats Brendan O'Connell's barn. Here in picturesque western Connecticut, he grows much of his food and has a near vegan diet. The barn, however, is full of Oreo cookies, Utz chips, Jif peanut butter, Uncle Ben's rice and other household items--or rather, paintings of them.
"These brands represent where we are as a culture," says O'Connell, a 45-year-old painter. "I find it visually exciting to go to a grocery store."
This is not his first trip down those aisles. A working artist since the 1990s, he gained notice last February when his paintings of Walmart stores earned him...